Question

Which of the following solutes dissolved in 1000 g of water would provide a solution with the LOWEST freezing point?
A. 0.030 mole urea, CO(NH2)2
B. 0.030 mole acetic acid, CH3COOH
C. 0.030 mole ammonium nitrate, NH4NO3
D. 0.030 mole calcium sulfate, CaSO4
E. 0.030 mole barium chloride, BaCl2
delta T = i*K*m
The largest i*m will give the largest delta T.

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